MPC Marathon Petroleum Corporation

By Dan Molinski

Marathon Petroleum Corp. (MPC) reported an emissions event Monday and Tuesday linked to a gasoline-making fluid catalytic cracking unit at its Galveston Bay refinery complex in Texas.

"The Fluid Catalytic Cracking Unit #3 found a Relief Valve relieving to flare," the refinery said in a statement to the Texas Commission on Environmental Quality.

It said the emissions, which included carbon monoxide and sulfur dioxide, began Monday night and ended Tuesday morning, lasting about five hours total. Last year, Marathon merged its Galveston Bay refinery with its nearby Texas City refinery to create one, 585,000-barrel-a-day Galveston Bay refinery complex that now ranks as the second-largest refinery in the U.S. after the Saudi Aramco-owned, 600,000-barrel-a-day Motiva refinery in Port Arthur, Texas.

Write to Dan Molinski at dan.molinski@wsj.com

(END) Dow Jones Newswires

July 16, 2019 16:31 ET (20:31 GMT)

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